CN216177113U - Articulated manual rotatory pipe cutting machine - Google Patents
Articulated manual rotatory pipe cutting machine Download PDFInfo
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- CN216177113U CN216177113U CN202122372330.1U CN202122372330U CN216177113U CN 216177113 U CN216177113 U CN 216177113U CN 202122372330 U CN202122372330 U CN 202122372330U CN 216177113 U CN216177113 U CN 216177113U
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Abstract
The utility model relates to a hinged manual rotary pipe cutting machine, and belongs to the field of pipeline machining. The articulated manual rotary pipe cutting machine comprises a handle assembly, a cutting knife rest, a movable knife rest, a fixed knife rest, a jaw mechanism, a cutting knife mechanism and a pipe clamping mechanism, wherein the handle assembly, the movable knife rest and the fixed knife rest are all arranged on the cutting knife rest and are connected with the movable knife rest; the handle assembly comprises a handle and a threaded rod, the handle is installed at one end of the threaded rod, the other end of the threaded rod is connected with the movable knife rest, and the threaded rod is installed on the cutting knife rest.
Description
Technical Field
The utility model relates to a hinged manual rotary pipe cutting machine, and belongs to the field of pipeline machining.
Background
The rotary pipe cutting machine is a pure manual cutting tool, adopts spark-free cutting, greatly improves the safety coefficient of work, can not generate scraps when cutting a stainless steel pipe, ensures the cleanness of a pipeline and the service life of a valve, has smooth and straight cuts, completely meets the requirements of safety and rapidness of gas, petroleum and chemical engineering, and gradually replaces an electric saw, acetylene and a cutting machine.
In the area where the electric pipe cutter is not suitable for use, manual cutting is generally carried out, the manual cutting in the prior art is low in efficiency and high in labor intensity, the existing cutting knife can exert force better for rotating a handle, and the handle is rotated by 180 degrees at least once when the cutting knife is fed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the hinged manual rotary pipe cutting machine with reasonable structural design.
The technical scheme adopted by the utility model for solving the problems is as follows: this articulated manual rotatory pipe cutting machine, its structural feature lies in: the cutting knife mechanism comprises a handle assembly, a cutting knife rest, a movable knife rest, a fixed knife rest and a cutting knife mechanism, wherein the handle assembly, the movable knife rest and the fixed knife rest are all arranged on the cutting knife rest, the handle assembly is connected with the movable knife rest, and the cutting knife mechanism is arranged on the movable knife rest and the fixed knife rest.
Furthermore, the cutting device also comprises a jaw mechanism, one end of the fixed tool rest is rotatably arranged at one end of the cutting tool rest, and the other end of the fixed tool rest is connected with the other end of the cutting tool rest through the jaw mechanism.
Further, still include card pipe mechanism, card pipe mechanism installs on the removal knife rest.
Further, the handle assembly comprises a handle and a threaded rod, the handle is mounted at one end of the threaded rod, the other end of the threaded rod is connected with the movable knife rest, and the threaded rod is mounted on the cutting knife rest.
Further, the handle includes handle sleeve pipe, sleeve pipe spacer pin, sleeve pipe spacing groove, sleeve pipe chucking round pin, sleeve pipe chucking groove and handle, the handle sets up on the handle sleeve pipe, the handle sleeve pipe is installed in the one end of threaded rod, sleeve pipe spacer pin and sleeve pipe chucking round pin all set up on the threaded rod, sleeve pipe spacing groove and sleeve pipe chucking groove all set up on the handle sleeve pipe, sleeve pipe spacer pin and sleeve pipe chucking round pin cooperate with sleeve pipe spacing groove and sleeve pipe chucking groove respectively.
Furthermore, the sleeve clamping pin is clamped in the sleeve clamping groove, and the sleeve limiting pin is located in the sleeve limiting groove.
Further, the handle still includes spring and sealed end cap, sealed end cap installs on the handle sleeve pipe, the spring mounting is in the handle sleeve pipe, and the both ends of spring contact with the one end of sealed end cap and threaded rod respectively.
Further, the handle also comprises a rubber sleeve, and the rubber sleeve is sleeved on the handle grip.
Further, the threaded rod comprises a threaded rod body and a connecting groove, the handle sleeve is installed at one end of the threaded rod body, the connecting groove is formed in the other end of the threaded rod body, and threads are arranged in the middle of the threaded rod body.
Further, the threaded rod body is installed on the cutting knife rest through threads, and the threaded rod body is connected with the movable knife rest through a connecting groove and a screw.
Further, jack catch mechanism includes jack catch body, jack catch pivot, jack catch spring and chucking axle, the other end at the cutting knife rest is installed through the jack catch pivot to the jack catch body, the other end at fixed knife rest is installed to the chucking axle, the jack catch body cooperates with the chucking axle, the one end and the cutting knife rest contact of jack catch spring, the other end and the jack catch body contact of jack catch spring.
Furthermore, the cutting knife mechanism comprises a cutting knife body and a cutting knife pin assembly, and the cutting knife body is arranged on the movable knife rest and the fixed knife rest through the cutting knife pin assembly.
Furthermore, the cutting knife pin assembly comprises a cutting knife pin and a cutting knife pin positioning snap spring, the cutting knife body is arranged on the cutting knife pin, and the cutting knife pin is arranged on the movable knife rest and the fixed knife rest through the cutting knife pin positioning snap spring.
Further, the pipe clamping mechanism comprises a pipe clamping claw, a pipe clamping claw torsional spring and a pipe clamping claw rotating shaft, wherein the pipe clamping claw is installed on the movable knife rest through the pipe clamping claw rotating shaft, the pipe clamping claw torsional spring is sleeved on the pipe clamping claw rotating shaft, and two ends of the pipe clamping claw torsional spring are respectively contacted with the pipe clamping claw and the movable knife rest.
Compared with the prior art, the utility model has the following advantages:
1. the handle and the threaded rod in the handle assembly are designed to be separated, the minimum feed is 90 degrees, and the cutting knife is prevented from being damaged or rotating still due to overlarge feed.
2. The pipe clamping mechanism can stably fix the pipeline, when one side of the pipeline is cut through and the other side of the pipeline is not cut through, the pipeline can be gripped by force, when the pipeline is completely cut off, the pipeline at two ends can be gripped, and loss caused by falling of the pipeline is avoided.
3. The pipeline has no debris, no spark, no need of power supply, safety and reliability in the cutting process.
4. The cutting surface is smooth and burr-free in the cutting process, the cutting speed is high, and the use is convenient.
Drawings
Fig. 1 is a schematic diagram of an explosive structure of an articulated manual rotary pipe cutter according to an embodiment of the present invention.
Fig. 2 is a perspective view of an articulated manual rotary pipe cutter according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is an enlarged schematic view of a portion B in fig. 2.
Fig. 5 is an enlarged schematic view of the portion C in fig. 2.
Fig. 6 is a cross-sectional schematic view of an articulated manual rotary pipe cutter in accordance with an embodiment of the present invention.
Fig. 7 is an enlarged schematic view of a portion D in fig. 6.
Fig. 8 is an enlarged schematic view of a portion E in fig. 6.
Fig. 9 is an enlarged schematic view of the portion F in fig. 6.
Fig. 10 is a schematic structural view of a handle assembly of an embodiment of the present invention.
Fig. 11 is a schematic structural view of a cutter pin assembly according to an embodiment of the present invention.
In the figure: a handle 1, a threaded rod 2, a cutting knife rest 3, a movable knife rest 4, a fixed knife rest 5, a claw mechanism 6, a cutting knife mechanism 7, a pipe clamping mechanism 8,
A handle sleeve 11, a spring 12, a sleeve limiting pin 13, a sleeve limiting groove 14, a sleeve clamping pin 15, a sleeve clamping groove 16, a handle grip 17, a sealing plug 18, a rubber sleeve 19,
A threaded rod body 21, a connecting groove 22,
A jaw body 61, a jaw rotating shaft 62, a jaw spring 63, a clamping shaft 64,
A cutting knife body 71, a cutting knife pin assembly 72, a cutting knife pin 73, a cutting knife pin positioning clamp spring 74,
A pipe clamping claw 81, a pipe clamping claw torsion spring 82 and a pipe clamping claw rotating shaft 83.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 11, it should be understood that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modifications of the structures, changes of the ratio relationships, or adjustments of the sizes, should still fall within the scope of the present invention without affecting the functions and the achievable objectives of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
The articulated manual rotary pipe cutting machine in this embodiment, including the handle sub-assembly, cutting knife rest 3, remove knife rest 4, fixed knife rest 5, jaw mechanism 6, cutting knife mechanism 7 and card pipe mechanism 8, the handle sub-assembly, remove knife rest 4 and fixed knife rest 5 and all install on cutting knife rest 3, and the handle sub-assembly is connected with removing knife rest 4, normal conditions, the one end of fixed knife rest 5 is rotated and is installed the one end at cutting knife rest 3, the other end of fixed knife rest 5 passes through jaw mechanism 6 with cutting knife rest 3's the other end and is connected, remove knife rest 4 and all install cutting knife mechanism 7 on the fixed knife rest 5, card pipe mechanism 8 installs on removing knife rest 4.
The handle assembly in this embodiment comprises a handle 1 and a threaded rod 2, the handle 1 is mounted at one end of the threaded rod 2, the other end of the threaded rod 2 is connected with a movable cutter holder 4, and the threaded rod 2 is mounted on a cutting cutter holder 3.
The handle 1 in this embodiment includes a handle sleeve 11, a spring 12, a sleeve limit pin 13, a sleeve limit groove 14, a sleeve clamp pin 15, a sleeve clamp groove 16, a handle grip 17, a sealing plug 18 and a rubber sleeve 19, the rubber sleeve 19 is sleeved on the handle grip 17, the handle grip 17 is arranged on the handle sleeve 11, and the handle sleeve 11 is arranged at one end of the threaded rod 2.
Sealed end cap 18 in this embodiment installs on handle sleeve pipe 11, spring 12 installs in handle sleeve pipe 11, and the both ends of spring 12 respectively with the one end contact of sealed end cap 18 and threaded rod 2, sleeve pipe spacer pin 13 and sleeve pipe chucking round pin 15 all set up on threaded rod 2, sleeve pipe spacing groove 14 and sleeve pipe chucking groove 16 all set up on handle sleeve pipe 11, sleeve pipe spacer pin 13 and sleeve pipe chucking round pin 15 respectively with sleeve pipe spacing groove 14 and sleeve pipe chucking groove 16 cooperation, sleeve pipe chucking round pin 15 card is in sleeve pipe chucking groove 16, sleeve pipe spacer pin 13 is located sleeve pipe spacing groove 14.
The threaded rod 2 in the embodiment comprises a threaded rod body 21 and a connecting groove 22, the handle sleeve 11 is installed at one end of the threaded rod body 21, the connecting groove 22 is formed in the other end of the threaded rod body 21, threads are arranged in the middle of the threaded rod body 21, the threaded rod body 21 is installed on the cutting knife rest 3 through the threads, and the threaded rod body 21 is connected with the movable knife rest 4 through the connecting groove 22 and the screws.
The cutter mechanism 7 in this embodiment includes a cutter body 71 and a cutter pin assembly 72, the cutter body 71 is mounted on the movable cutter frame 4 and the fixed cutter frame 5 via the cutter pin assembly 72, the cutter pin assembly 72 includes a cutter pin 73 and a cutter pin positioning snap spring 74, the cutter body 71 is mounted on the cutter pin 73, and the cutter pin 73 is mounted on the movable cutter frame 4 and the fixed cutter frame 5 via the cutter pin positioning snap spring 74.
The pipe clamping mechanism 8 in this embodiment includes a pipe clamping jaw 81, a pipe clamping jaw torsion spring 82 and a pipe clamping jaw rotating shaft 83, the pipe clamping jaw 81 is installed on the movable tool rest 4 through the pipe clamping jaw rotating shaft 83, the pipe clamping jaw torsion spring 82 is sleeved on the pipe clamping jaw rotating shaft 83, and two ends of the pipe clamping jaw torsion spring 82 are respectively in contact with the pipe clamping jaw 81 and the movable tool rest 4.
Specifically, the following description will be made with reference to fig. 6, in which a threaded hole is formed in the middle of the upper end of the cutting blade holder 3, a handle assembly can be connected by a thread, a movable blade holder rail is arranged in the middle of the cutting blade holder 3 and can be slidably connected to the movable blade holder 4, a protrusion is arranged on the left portion of the bottom end of the cutting blade holder 3 and can be connected to a jaw spring 63, a pin hole for mounting a jaw rotating shaft 62 is formed in the cutting blade holder 3, a jaw body 61 is mounted by matching with the jaw rotating shaft 62, a groove is formed in the left portion of the bottom end of the cutting blade holder 3 and gives way for a clamping shaft 64 on the fixed blade holder 5, and a through hole is formed in the right portion of the bottom end of the cutting blade holder 3 and is rotatably connected to the fixed blade holder 5 by a nut and a screw.
The fixing tool rest 5 is provided with a pin hole for installing a clamping shaft 64 and is connected with the jaw body 61 through the clamping shaft 64, the right end of the fixing tool rest 5 is provided with a through hole and is connected with the right end of the cutting tool rest 3 through a nut and a screw, the middle part of the cutting tool rest 3 is provided with two symmetrical cutting tool grooves and a pin hole, and the cutting tool body 71 is fixed in the cutting tool grooves through a cutting tool pin assembly 72.
The movable knife rest 4 is provided with a cylindrical hole for installing a handle assembly, a gasket is arranged at the bottom of the cylindrical hole, the handle assembly is fixed in the cylindrical hole in the movable knife rest 4 through a screw, two symmetrical movable knife rest grooves are formed in the outer portion of the movable knife rest 4 and move in a matched mode with a movable knife rest track on the cutting knife rest 3, two symmetrical cutting knife grooves, a pin hole and a torsion spring groove are formed in the middle of the movable knife rest 4, the cutting knife body 71 is fixed in the cutting knife grooves through a cutting knife pin assembly 72, a pipe clamping jaw rotating shaft 83 is installed in the pin hole, a pipe clamping jaw torsion spring 82 is installed in the torsion spring groove, the pipe clamping jaw torsion spring 82 is sleeved on the pipe clamping jaw rotating shaft 83 in a matched mode, the pipe clamping jaw rotating shaft 83 is connected with a pipe clamping jaw 81, and the pipe clamping jaw torsion spring 82 is tightened up through the torsion spring groove and the upper end of the pipe clamping jaw 81.
The middle part of the jaw body 61 is provided with two pin holes, one pin hole is fixed with the left end of the cutting knife rest 3 through the jaw rotating shaft 62, the other pin hole is connected with the lower end of a jaw spring 63 through a spring pin 65, and the bottom of the jaw body 61 is provided with two hooks which can be connected with a clamping shaft 64 on the fixed knife rest 5.
The middle part of the pipe clamping claw 81 is provided with a pin hole for installing the pipe clamping claw rotating shaft 83, the pipe clamping claw rotating shaft 83 is fixed with the movable tool rest 4, the bottom of the pipe clamping claw 81 is provided with two hooks, and the two hooks can be used for clamping a pipe fitting when the pipe fitting is cut.
The middle part of the handle sleeve 11 is provided with a semicircular sleeve limiting groove 14, the handle sleeve 11 can rotate 180 degrees by matching with the sleeve limiting pin 13, meanwhile, under the action of the spring 12, the sleeve limiting pin 13 can move up and down in the sleeve limiting groove 14, the handle sleeve 11 can rotate 180 degrees and can be rotated twice, so that the minimum feeding amount of each time is ensured to be 90 degrees, the pipe fittings can be prevented from being damaged due to the overlarge feeding amount of 180 degrees, specifically, four sleeve clamping grooves 16 are uniformly arranged at the bottom of the handle sleeve 11, the four sleeve clamping grooves 16 are arranged in a circumferential array, the included angle between every two adjacent sleeve clamping grooves 16 is 90 degrees, the sleeve clamping pin 15 is matched to transmit torsion to the threaded rod 2, two ends of the handle 17 are provided with handle handles 17, two pin holes are arranged on the threaded rod body 21 and are respectively used for installing the sleeve limiting pin 13 and the sleeve clamping pin 15 to be connected with the handle 1, the lower extreme of threaded rod body 21 is equipped with connecting groove 22, and connecting groove 22 passes through the screw to be connected with removal knife rest 4, and the middle part of threaded rod body 21 is equipped with the screw thread, and threaded rod body 21 and the threaded connection of removal knife rest 4, spring 12 set up inside handle sleeve 11, and hexagon socket's sealed end cap 18 passes through the screw thread to be connected with handle sleeve 11.
The cutter pin assembly 72 is composed of a cutter pin 73 and a cutter pin positioning snap spring 74, and the cutter pin 73 is provided with a groove for matching with the cutter pin positioning snap spring 74.
When the hinged manual rotary pipe cutting machine is used, the movable tool rest 4 is pushed to slide on the cutting tool rest 3 through the rotating handle assembly, when the pipe cutting machine moves to the upper end, the claw mechanism 6 is opened, the fixed tool rest 5 and the cutting tool rest 3 are separated, the pipe cutting machine is sleeved on a pipeline, the pipe cutting machine is closed, the rotating handle assembly enables the cutting tool mechanism 7 on the movable tool rest 4 and the cutting tool mechanism 7 on the fixed tool rest 5 to be attached to the pipeline and the pipe clamping mechanism 8 to grasp the pipeline tightly, and the pipe cutting machine is continuously rotated to cut the pipeline until the pipeline is completely cut.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the utility model are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a manual rotatory pipe cutting machine of articulated formula which characterized in that: including handle sub-assembly, cutting knife rest (3), removal knife rest (4), fixed knife rest (5) and cutting knife mechanism (7), handle sub-assembly, removal knife rest (4) and fixed knife rest (5) all install on cutting knife rest (3) and the handle sub-assembly is connected with removal knife rest (4), all install cutting knife mechanism (7) on removal knife rest (4) and fixed knife rest (5).
2. The articulated manual rotary pipe cutter of claim 1, wherein: the cutting knife rack is characterized by further comprising a jaw mechanism (6), one end of the fixed knife rack (5) is rotatably installed at one end of the cutting knife rack (3), and the other end of the fixed knife rack (5) is connected with the other end of the cutting knife rack (3) through the jaw mechanism (6).
3. The articulated manual rotary pipe cutter of claim 1, wherein: the pipe clamping device is characterized by further comprising a pipe clamping mechanism (8), wherein the pipe clamping mechanism (8) is installed on the movable tool rest (4).
4. The articulated manual rotary pipe cutter of claim 1, wherein: the handle sub-assembly includes handle (1) and threaded rod (2), the one end in threaded rod (2) is installed in handle (1), the other end and the removal knife rest (4) of threaded rod (2) are connected, threaded rod (2) are installed on cutting knife rest (3).
5. The articulated manual rotary pipe cutter of claim 4, wherein: handle (1) includes handle sleeve pipe (11), sleeve pipe spacer pin (13), sleeve pipe spacing groove (14), sleeve pipe chucking round pin (15), sleeve pipe chucking groove (16) and handle (17), handle (17) set up on handle sleeve pipe (11), the one end at threaded rod (2) is installed in handle sleeve pipe (11), sleeve pipe spacer pin (13) and sleeve pipe chucking round pin (15) all set up on threaded rod (2), sleeve pipe spacing groove (14) and sleeve pipe chucking groove (16) all set up on handle sleeve pipe (11), sleeve pipe spacer pin (13) and sleeve pipe chucking round pin (15) cooperate with sleeve pipe spacing groove (14) and sleeve pipe chucking groove (16) respectively.
6. The articulated manual rotary pipe cutter of claim 4, wherein: the handle (1) further comprises a spring (12) and a sealing plug (18), the sealing plug (18) is installed on the handle sleeve (11), the spring (12) is installed in the handle sleeve (11), and two ends of the spring (12) are respectively in contact with one end of the sealing plug (18) and one end of the threaded rod (2).
7. The articulated manual rotary pipe cutter of claim 5, wherein: threaded rod (2) include threaded rod body (21) and connecting grooves (22), the one end at threaded rod body (21) is installed in handle sleeve pipe (11), connecting grooves (22) set up the other end at threaded rod body (21), the middle part of threaded rod body (21) is provided with the screw thread.
8. The articulated manual rotary pipe cutter of claim 2, wherein: jaw mechanism (6) include jack catch body (61), jack catch pivot (62), jack catch spring (63) and chucking axle (64), the other end in cutting knife rest (3) is installed through jack catch pivot (62) in jack catch body (61), the other end in fixed knife rest (5) is installed in chucking axle (64), jack catch body (61) and chucking axle (64) cooperation, the one end and the cutting knife rest (3) contact of jack catch spring (63), the other end and the contact of jack catch body (61) of jack catch spring (63).
9. The articulated manual rotary pipe cutter of claim 1, wherein: the cutting knife mechanism (7) comprises a cutting knife body (71) and a cutting knife pin assembly (72), and the cutting knife body (71) is arranged on the movable knife rest (4) and the fixed knife rest (5) through the cutting knife pin assembly (72); and/or; the cutting knife pin assembly (72) comprises a cutting knife pin (73) and a cutting knife pin positioning clamp spring (74), the cutting knife body (71) is installed on the cutting knife pin (73), and the cutting knife pin (73) is installed on the movable knife rest (4) and the fixed knife rest (5) through the cutting knife pin positioning clamp spring (74).
10. The articulated manual rotary pipe cutter of claim 3, wherein: pipe clamping mechanism (8) include card pipe claw (81), card pipe claw torsional spring (82) and card pipe claw pivot (83), install on removing knife rest (4) through card pipe claw pivot (83) card pipe claw (81), card pipe claw torsional spring (82) suit is on card pipe claw pivot (83), and the both ends of card pipe claw torsional spring (82) contact with card pipe claw (81) and removal knife rest (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372330.1U CN216177113U (en) | 2021-09-28 | 2021-09-28 | Articulated manual rotatory pipe cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122372330.1U CN216177113U (en) | 2021-09-28 | 2021-09-28 | Articulated manual rotatory pipe cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216177113U true CN216177113U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122372330.1U Active CN216177113U (en) | 2021-09-28 | 2021-09-28 | Articulated manual rotatory pipe cutting machine |
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| CN (1) | CN216177113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871494A (en) * | 2022-05-31 | 2022-08-09 | 藏存峰 | Pipe machining equipment for constructional engineering |
-
2021
- 2021-09-28 CN CN202122372330.1U patent/CN216177113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871494A (en) * | 2022-05-31 | 2022-08-09 | 藏存峰 | Pipe machining equipment for constructional engineering |
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